import type { CollectionConfig } from "payload";
import {
  requirePermission,
  hasPermission,
  isSuperuser,
} from "@/utils/access-control/hasPermission";
import { ensurePersonalAccount } from "@/lib/banking/index";
import { MUTEABLE_NOTIFICATION_TYPES } from "@/lib/notifications/notificationTypes";

export const Users: CollectionConfig = {
  hooks: {
    afterChange: [
      async ({ req, doc, operation }) => {
        if (operation !== "create") return doc;

        const payload = req.payload;
        const userId = doc.id as number;

        try {
          await ensurePersonalAccount(payload, userId, req);
        } catch (e) {
          payload.logger.error(
            `[Users] Failed to create personal bank account for user ${userId}: ${e}`,
          );
        }

        let recruit: { id: number } | undefined;

        try {
          const ranks = await payload.find({
            collection: "ranks",
            where: {
              name: {
                like: "Recruit",
              },
            },
            limit: 1,
            depth: 0,
            overrideAccess: true,
            req,
          });
          recruit = (ranks as { docs: Array<{ id: number }> }).docs[0];

          if (!recruit) {
            const created = await payload.create({
              collection: "ranks",
              data: {
                name: "Recruit",
                abbreviation: "Rct",
                description: "Entry-level rank for new members.",
              },
              overrideAccess: true,
              req,
            });
            recruit = { id: created.id };
            payload.logger.info("[Users] Created default 'Recruit' rank on demand.");
          }
        } catch (e) {
          payload.logger.error(`[Users] Failed to resolve Recruit rank: ${e}`);
        }

        try {
          await payload.create({
            collection: "profiles",
            draft: false,
            data: {
              user: userId,
              rank: recruit?.id ?? (null as unknown as number),
              dossier: {
                enlistmentDate: new Date().toISOString(),
              },
              progression: {
                qualifications: [],
                experience: 0,
                awards: [],
              } as any,
            },
            overrideAccess: true,
            req,
          });
        } catch (e) {
          payload.logger.error(`[Users] Failed to create profile for user ${userId}: ${e}`);
        }

        return doc;
      },
    ],
  },
  slug: "users",
  access: {
    admin: requirePermission("system:admin-access"),
    unlock: requirePermission("users:unlock"),
    create: requirePermission("users:create"),
    update: async ({ req, id, data }) => {
      if (data?.roles?.includes("developer")) {
        return isSuperuser(req.payload, req.user);
      }
      const existing = id
        ? ((await req.payload.findByID({
            collection: "users",
            id,
            depth: 2,
            overrideAccess: true,
          })) as { roleDocs?: Array<{ isSuperuser?: boolean }> | null })
        : null;
      if (existing?.roleDocs?.some((r) => r.isSuperuser)) {
        return isSuperuser(req.payload, req.user);
      }
      return hasPermission(req.payload, req.user, "users:update");
    },
    delete: async ({ req, id, data }) => {
      if (data?.roles?.includes("developer")) {
        return isSuperuser(req.payload, req.user);
      }
      const existing = id
        ? ((await req.payload.findByID({
            collection: "users",
            id,
            depth: 2,
            overrideAccess: true,
          })) as { roleDocs?: Array<{ isSuperuser?: boolean }> | null })
        : null;
      if (existing?.roleDocs?.some((r) => r.isSuperuser)) {
        return isSuperuser(req.payload, req.user);
      }
      return hasPermission(req.payload, req.user, "users:delete");
    },
  },
  admin: {
    useAsTitle: "payloadDisplayName",
    group: "Users",
  },
  auth: {
    tokenExpiration: 43200,
    loginWithUsername: {
      requireUsername: true,
      allowEmailLogin: false,
      requireEmail: false,
    },
  },
  fields: [
    // Email added by default by Payload, but essentially ignored in this application
    {
      name: "username",
      type: "text",
      required: true,
      unique: true,
    },
    {
      name: "discordUsername",
      type: "text",
      required: true,
      unique: true,
    },
    {
      name: "discordId",
      type: "text",
      label: "Discord User ID",
      unique: true,
      index: true,
    },
    {
      name: "displayName",
      type: "text",
      label: "In-Game Name",
      required: true,
    },
    {
      name: "payloadDisplayName",
      type: "text",
      label: "Display Name",
      admin: {
        hidden: true,
        readOnly: true,
      },
      hooks: {
        beforeChange: [
          ({ data }) => {
            // console.log(data);
            return `${data!.displayName ? data!.displayName + " " : ""}(${data!.username})`;
          },
        ],
      },
    },
    {
      name: "steamId",
      type: "text",
      label: "Steam ID 64",
      required: true,
    },
    {
      name: "roles",
      type: "select",
      access: {
        create: requirePermission("users:assign-roles"),
        update: requirePermission("users:assign-roles"),
      },
      hasMany: true,
      options: [
        {
          label: "Guest",
          value: "guest",
        },
        {
          label: "User",
          value: "user",
        },
        {
          label: "Trusted",
          value: "trusted",
        },
        {
          label: "Admin",
          value: "admin",
        },
        {
          label: "Developer",
          value: "developer",
        },
      ],
      /*filterOptions: ({ options, data, req }) => {
        return !isDeveloper({ req })
          ? options.filter(
              (option) => (typeof option === "string" ? options : !["developer", "admin"].includes(option.value)),
            )
          : options;
      },*/
      admin: {
        description:
          "Legacy role enum — being replaced by the dynamic RBAC system (see 'Role Assignments' below).",
      },
    },
    {
      name: "roleDocs",
      type: "relationship",
      relationTo: "roles",
      hasMany: true,
      access: {
        create: requirePermission("users:assign-roles"),
        update: requirePermission("users:assign-roles"),
      },
      admin: {
        description:
          "Dynamic RBAC role assignments. These determine the user's permissions via the roles collection.",
      },
    },
    {
      name: "preferences",
      label: "Preferences",
      type: "group",
      fields: [
        {
          name: "notifications",
          label: "Notifications",
          type: "group",
          fields: [
            {
              name: "mutedAll",
              label: "Mute all in-app notifications",
              type: "checkbox",
              defaultValue: false,
            },
            {
              name: "mutedTypes",
              label: "Muted notification types",
              type: "select",
              hasMany: true,
              options: MUTEABLE_NOTIFICATION_TYPES.map((t) => ({ label: t.label, value: t.value })),
            },
          ],
        },
        {
          name: "display",
          label: "Display",
          type: "group",
          fields: [
            {
              name: "showCallsign",
              label: "Show callsign (username) instead of display name in the sidebar",
              type: "checkbox",
              defaultValue: false,
            },
            {
              name: "leadOrActual",
              label: 'Use "Lead" or "Actual" when reviewing the unit roster',
              type: "select",
              options: [
                { label: "Lead", value: "lead" },
                { label: "Actual", value: "actual" },
              ],
              defaultValue: "lead",
            },
            {
              name: "showVersionOverlay",
              label: "Show version overlay at top of page",
              type: "checkbox",
              defaultValue: true,
            },
            {
              name: "xpDisplayMini",
              label: "Use mini mode for XP display",
              type: "checkbox",
              defaultValue: false,
            },
            {
              name: "showBackgroundTexture",
              label: "Show diagonal background texture",
              type: "checkbox",
              defaultValue: true,
            },
          ],
        },
        {
          name: "discord",
          label: "Discord",
          type: "group",
          fields: [
            {
              name: "enabled",
              label: "Discord notifications",
              type: "checkbox",
              defaultValue: false,
            },
            {
              name: "mutedTypes",
              label: "Muted notification types",
              type: "select",
              hasMany: true,
              options: MUTEABLE_NOTIFICATION_TYPES.map((t) => ({ label: t.label, value: t.value })),
            },
          ],
        },
      ],
    },
  ],
};